ELE-240
ELECTRICAL
WIRING
DIAGRAMS
104521
IIII
I
I1
I
%1325
2
S
BLK/GRY
9
YELI
GRY
23
BLK
24
YELIBLK
I
X13253
.II
2
B
II
33
E
I
I
8
V~
10/
HT
I
I
B~
I
Power
Windows
1998
318ti
HOTATALLTIMES
DRIVER'S
POWER
WINDOW
MOTOR
PASSENGER'S
POWERWINDOWMOTOR
G302
INT
'
E~RIOR
INT~IOR
LIGHTS
LIGHTS
SYSTEM
SYSTEM
SWITCH
I
I
.,I
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1
I
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(
SWITCH
C
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1
-
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{°
1
J
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BLKIGRN
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BRN/BLD/VEL
I
BRN/GRY/VEL
I
PASSENGER'S
1
!
I
DRIVER'S
DOOR
DOORJAMB
JAMB
SWITCH
SWITCH
1
11
11
I
DOLEE
CT
SODY
ELECTRONICS
CONTROL
MO
I
¢I
1
1
G201
~-G404
DRIVE
POWER
POWER
WINDOW
S
T
I
WINDOW
GER'S
83550
ELECTRICAL
WIRINGDIAGRAMS
ELE-245
Heated
Seats
1992-98
Except
318ti
HOT
IN
RUN
.1
~AND
START
HOT
AT
ALL
TIMES
rIF
-
SE
-----------------------------------
PUSS
-1FRONTPOWER
123
yFE
IDISTRIBUTION
BOX
SA
16A
L~_____________________________________-i----J
S
I
x19o~
Bx>-D
GENIBLU
RED/-
G203J-G310
(2DOOR)
(4
DOOR)
INTERIOR
LIGHTS
SYSTEM
PASSENGER'S
BEATHEATER
SWITCH
2
RED/VIO
HOT
IN
ACCY,
RUNAND
START
fi
FUSEI
FRONTPOWER
J
j
DISTRIBUTION
BOX
V
30A
I
84194
2
RED/VIO
HOTATALLTIMES
r
FUSE1FRONT
POWER
Fl
DISTRIBUTION
BOX
L
soA
Power
Sunroof
NCA
SUNROOFSUNROOF
SUNROOF
CONTROL
SWITCH
-_
MOTOR
ASSEMBLY
M
I
STEP-BY-
MICROSWITCH
--
STEP
SWITCH
ELECTRICAL
WIRING
DIAGRAMS
ELE-249
NCA
.1911
2y
BRNI
AL
G203
INTERIOR
LIGHTS
GRY/RED
r
SYSTEM
6
OPENCLOSE
4
3
BRNNI
BLK/YES
WHT/YELl
1
X272
X13176
2X272
3T
11
X13176
N
BLK/REDI
BLK/GRN
1q
10
BRN
I
BODY
ELECTRONICS
I
~CONTROLMODULE
1
I
i
(ZKE
IV)
SUNROOF
SWITCH
SUNROOFCONTROL
ASSEMBLY
1995
Except
318ti
1996-97
Except
318ti
ELE-250
ELECTRICAL
WIRING
DIAGRAMS
104866
HOTATALLTIMES
FUSE
,
FRONT
POWER
F1
DISTRIBUTION
BOX
L
30A
~-
-
J
I
INTERIOR
LIGHTS
RED/V10
GRY/RED
r
SYSTEM
Power
Sunroof
1998Except
318ti
3
OPEN
i
CLOSE
.7
OFF
4
L
2
1
t
BRN
BLK/YEL
WHT/YEL
X272
6
5
4
X13176
2
X272
3
1
X
3176
t
BRN
BLK/RED
BLK/G
RN
18
19
SUNROOF
SWITCH
SUNROOFCONTROL
ASSEMBLY
BRN
BODYELECTRONICS
I
CONTROLMODULE
~-
G203
I
i
(ZKE
IV)
84238
GRY/RED
84240
INTERIOR
LIGHTS
SYSTEM
HOTAT
ALL
TIMES
FRONT
POWER
DISTRIBUTIONBOX
-
.I
RED
RED
OMFORT
------
-
-
----------
RELAYC
T
2
REDIBLU~
REDIBLU
1
19I
X13254
r
-
FRONTPOWER
BODY
I
FUSE
I
DISTRIBUTION
BOX
I
ELECTRONICS
I
I
I
CONTROL
I
30
.4
J
I
-
I
MODULE_
2
-
REDIVIDI
NCA
ELECTRICAL
WIRING
DIAGRAMS
ELE-251
Power
Sunroof
HOTATALLTIMES
6
RED/VI
1
SUNROOF
SWITCH
NCAI
.L2
BRNI
BRNI
1
G203
BLKIYELI
WHT/YELI
BRNI
BLK/GRNI
BLKIRED
1u
18j,
X132
54
.
r
1
BOGY
I
ELECTRONICS
I
I
CONTROL
I
-
-
--
MODULE
1995
Early
SUNROOF
Production
CONTROLASSEMBLY
3
18ti
SUNROOFCONTROL
ASSEMBLY
1995
Late
2T
Production
&
BRN1
1996-98
318ti
BRN
s
Sliding
Sunroof
I
t
G203
I
671-E
L
I
11~V/HT/G
RN
I
-
3
BLKIYEL
CTRL
BIG
4
SLUIRED
,
CTRLSIG
I
5
GRV/RED
END
B
BRN
SPIN
G205
'
X11399
CONVERTIBLETOPDONTRGLMODULE
BODY
ELECTRONICS
CONTROL
MODULE
(ZKEIV)
03584
I
.
SPIN
BLK/BLU
I
-
_
I
w
HARD
OFCONNECTOR1
(IN
CONVERTIBLE
TOP
BR
B~
G~
RN/BLK
REARWINDOWBLOWER
MICRO
SWITCH
9
WHT/BLK
10
WHT/BLU
DEFOGGERSYSTEMBRNI
j
G202
ELECTRICAL
WIRING
DIAGRAMS
ELE-253
Convertible
Top
1994-97
NANDSTART
HOTATA
,
~LLTIMES
HOTACCV,
-
RU
,,
NANDSTART
HOTAT
777
A
IIB
L~~LTIMES
HOTACCV,R
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U~
HOT
AT
ALL
TIMES
r/FUSE--___-
/FUS
E
-------
FUSE
-_____-/FPOWER
FUS
US
FU
42E------~F27E
DINT
T
IDRSRBUTIONBOX
7
BLK/RED
B
BLU/GRN
CT
RLSIG
9
GRYIBLKCTRLSIG
12V
10
RED/GRNIYEL
J
X13
15fi
TRUNKLIOSIG
20
21
BRN/WHT
WHT/VELDATASIG
2223
WHT/BLU
ROLL-OV
ER
SIG
-
GRN1VI0
DATASIG
2425
BRNIORG
GNDPWRSUPPLY
2B
~
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`z4
DATASIG
-
II1
I.
INTERIORLIGHTS
SYSTEM
CONVERTIBLE
TOPMOTOR
BLK/BRN
GRV/RED
4
BRNIORG
1
BRN/ORG
2
BRN/ORG
tSUPPLY
I
YEL/BLU
2
BLK/BLU
PO
STN
SIG
3
BLU/VEL
PO
STN
SIG
4
VEL/BRN
END
LK/GRN
CTRLSIG
POSTNSIG
B6
VEL/GRN
x1
157
TOP
OPEN
BIG
1
2
BLK/BRN
14
WHT/VIO
DATA
SIG
GND
B
BLKIBLU
PWRSUPPLY
6
VIO/WHT
,7
l
REAR
WDO
BLWPSIG
B
GRNIBLK
10
WHT/GRN
DATA
SIG
11
12
GRN/GRY
LEFT
DATASIG
II
ROLLOVER
SPOSIG
1B
ILK
HT
PROTECTION
TOP
CLOSED
BIG
14
BLKIGRN
ACTUATOR
DATASIG
1S16
WHT/VEL
1716
19
WHTIVIO
VIO/GRN
1
GRN/VIO
2
BLK/WHT
3
BLKIBLU
4
GRN/GR
V
5
WHT/VIO
B
BRN/OR
G
7
BLK
I
VIO
10
BLKIGRN
11
BLKIGRN
am
BLK/VIO
BLK/BLU
BLKIWHT
ROLLOVERSENSOR
RIGHT
II
ROLLOVER
PROTECTION
ACTUATOR
BLK/GRN
57
CLOSE
OFF
N-H
CONVERTIBLE
TOP
ACTUATING
SWITCH
BRN/ORG-
f
I
BLK/BLU
BLK/
,
BRNIORRG
CONVERTIBLETOP
POSITION
MICRO
SWITCH
WHTIBLU
~~
BLU
CONVERTIBLE
TOP
END-POSITION
MICRO
SW
ITCH
BLKIRED
BLU
ELK-
.
/EEL
RED
BRN
/ORG
~~
BRN
LOCKED
WHT/BLK
~~
CRY
UNLOCKED
WINDSCREENCOWLPANEL
LOCK
CONVERTIBLE
TOP
STORAGE
MOTOR
MICROSwITCH
(1996-97)
ELE-258
ELECTRICAL
WIRING
DIAGRAMS
RADIO
108830
COCHANGER
10
BLK/WHT
11
BRN/ORG
12
BRN/ORG
13
GRY/RED
14
BRN/ORG
15
BRN
16
WHT
X18120
1
YEL
2
BLU
3
BRN
4
GRY
5
BLK
6
GRN
7VI.8
INCA
9
RED
10
WHT
X18520
1
GRN
2
SPIN
3
BLK
WHT
5
NCA
B
RED
7
GRY
B
VIO
9
YEL
10
BLU
(18520
Radio/Cassette/CD/Speakers
1998
Convertible
10
Speaker
w/CD
&
Top
HIF!
System
HOT
IN
AC
CY,
ROTAT
HOTAT
HOTINACCY,
RUNANDSTART
ALLTIMES
ALLTIMES
RUNAND
STARTFRONT
POWER
----
-----
----
RIBUTIONBOX
I
I
q
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YEL
NN~~
\42
RED/WHT
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I
28
SPIN
G312
1~
BEN
INTERIOR
GRYIRED
I
I
LIGHTS
III
G202
SYSTEM
"
RED/WHT
11
VEL/RED
WHT
22
BLU/RED
BR
N
33
YELIBLK
4
WHT/BRN
5
VIO/WHT
6
BLU/BLK
7
VEL
e
BRN/ORG
9
RED/WHT
WR7I
WH
Viol
T
I
YIELI
SPIN/
YEL
I
2
Q
CONTROLIMODUOLE
1
VEL
2
SRN
BLU/BRN
B
3
BLU
BLU/RED
9
BLU/BRN
104
BEN
BLU
11
SUBWOOFER
BEN
12
XB05
SENIOR
.
1
BLU/BLK
2
11111
Hi
NEM
I
Ills
"""
-_
_
_
OMENIENINE
181920
YE
L/RED
21,
VEL/
BRN
22
BLU/BLK
23
BL
U/BRN
24
1
-
M
YEL/W
H725
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26X
806
VIO/VEL
2
BL
=
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y11T=~I
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I
I
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UT
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INSTRUMENTCLUSTER
HT/
.R
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6
TELEPHONE
SPATIAL
~BEARWINOOW
S
LAV
I
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l
BLOWER
MICRO
SWITCH
0RN
8
BLU/WHT
7
GRNIB
K8
I
I
(--_
1
%102X
8
HI
IFIAMPLIFIER
IT
WHT
1
~I
I
i
ANTENNA
AMPLIFIER
LEFTFRONT
LEFTFRONT
LEFTREAR
LEFTREAR
RIGHTFRONT
RIGHTERONT
~~~
RIG
HT
REAR
RIG
HT
REAR
MIDRANGE
HIGH
RANGE
HIGH
RANGE
LOWRAN0E
MIDRANGE
HIGHRANGE
LOWRANGE
HIGH
RANGE
SPEAKER
SPEAKER
LEFTFRONT
SPEAKERSPEAKER
SPEAKERSPEAKER
RIGHTFRONT
SPEAKERSPEAKER
LOW
RANGE
LOWRANGE
LEFT
MID-HIGH
RANGE
SPEAKER
SPEAKER
LEFTREARSPEAKER
RIGHT
MID
HIGH
RANGE
SPEAKER
SPEAKER
RIGHT
REAR
SPEAKER
WARNING
Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Before
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
these
warnings
and
cautions
each
time
youprepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.
A
ABS
(anti-lock
brakes)
See
Brakes
Accelerator
and
throttle
linkage
See
Maintenance
program
Air
conditioning
general
information
640-1
air
distribution
motor,
replacing
(rotary
knob)
640-10
air
distribution
motors
640-9
blower
motor,
removing/installing
640-1blower
motor
resistor
pack,
replacing
640-3
compressor,
replacing
640-12
compressor
clutch
640-13
condenser,
replacing
640-14
control
head
640-7
removing/installing
(digital
-display)
640-8
removing/installing
(rotary
knob)
640-7
control
module
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-8
evaporator,
removinglinstalling
640-17
evaporator
temperature
sensor,
replacing
640-17
expansion
valve,
removing/installing
640-16
microfilter,
replacing
640-18
receiverldrier,
replacing
640-15
sensor
fan
forinterior
temperature,
replacing
640-9
warnings
and
cautions
640-11
Air
distribution
(flap)
motor
See
Air
conditioning
See
also
Heating
Air
filter
See
Maintenanceprogram
Airbag
system
(SRS)
general
information
721-1
contact
ring,
replacing
721-3
driver
side
airbag,removing/installing
721-5
front
crash
sensor,
replacing
721-4
front
side-impact
airbag,
removing/
installing
721-7
front
side-impact
airbag
crash
sensor,
removing/installing
721-5
passenger
side
airbag,
removing/
installing
721-6
sensors
and
electronics
721-1
SRS
warning
light
and
fault
display
721-2
systems
721-1
ZAE
control
module,
replacing
721-5
Alarm
system
See
Central
locking
and
anti-theft
Alternator
See
Battery,
starter,
alternator
Anti-freeze
(Engine
coolant)
See
Maintenance
program
Anti-theft
See
Central
lockíng
and
anti-theft
AST
(Al¡
season
traction)
300-4
ATF
(Automatic
transmission
fluid)
See
Automatic
transmission
Automatic
transmission
See
alsoTransmission-general
general
information
240-1
ATF,draining
and
filling
240-2
ATF
leve¡,
checking
240-1
transmission
removaland
ínstallation
240-4
transmission,
removinglinstalling
240-4
transmission
service
240-1
Auxiliary
fan
See
Cooling
system
Axle
joint
See
Maintenance
program
B
Back-up
light
switch
See
Manual
transmission
Balljoint
See
Front
suspension
Battery
See
Battery,
starter,
alternator
Battery,
starter,
alternator
See
also
Maintenance
program
general
information
121-1
alternator,
removing/installing
(4-
cylinder
engine)
121-5
alternator,
removinglinstalling
(6-
cylinder
engine)
121-6
alternator
brushes,
inspecting/
replacing
121-7
alternator
service
121-4
batterycharging
121-4
battery
load
voltage
test
121-4
batteryopen-circuit
voltage
test
121-4
battery
service
121-3
INDEX
1
Battery,
starter,
alternator
(cont
.)
battery
testing
121-3
charging
system
quick
check121-2
charging
system
troubleshooting
121-
2
hydrometer
testing
121-3
solenoid
switch,
removinglinstalling
121-10
starter
service
121-7
starter
troubleshooting
121-7
starter,
removing/installing(4-cylinder
engine)
121-8
starter,
removing/installing(6-cylinder
engine
with
automatic
transmission)
121-9
starter,
removing/installing
(6-cylinder
engine
with
manual
transmission)
121-8
static
current
draw,
checking
121-2
voltage
regulator,
removing/installing
121-6
Bearing,
wheel
See
Front
suspension
or
Rear
suspension
Blowermotor
See
Air
conditioning
See
also
Heatíng
BMW
emblem
See
Exterior
trim,
bumpers
Body-general
general
information
400-1
body
assembly
400-1
central
body
electronics
400-4
convertible
models
400-2
coupe
models
400-2
electronic
immobilizatíon
system
400-
4
exterior
and
aerodynamics
400-2
heating
afhdair
conditioning
400-5
instruments
and
controls
400-4
interior
equipment
400-3
seats
and
seatbelts
400-3
Body
side
molding
See
Exterior
trim,
bumpers
Brake
fluid
See
Maintenance
program
Brakes
general
information
340-1
antilock
brake
system
(ABS)
340-11
inspection
340-12
wheelspeed
sensors,
replacing
340-12
bleeding
brakes
340-3
brake
booster,
removinglinstalling
340-8
brake
caliper,
removing/installing
340-6
brake
pads,
calipers,
and
rotors
340-3
brake
pads,
replacing
340-4
brake
rotor,
removing/installing
340-7
master
cylinder,
removing/installing
340-7
parking
brake
340-10
adjusting
340-10
.
cable,
replacing
340-11
shoes,
removinglinstalling
340-11